INN2025K

AC DC Converters, Offline Switchers Overview

The INN2025K-TL is an AC/DC converter from the InnoSwitch-CH series by Power Integrations. It integrates an Off-Line Switch FET rated at 650V with a synchronous rectifier for high efficiency. The device supports a maximum output power of 20W using a Flyback topology. Key electrical parameters include a switching frequency of 100 kHz, a maximum duty cycle of 60%, and an operating supply current of 2.2 A. It provides one isolated output capable of delivering up to 1.4 A. The component operates within a temperature range of -40°C to +85°C and is housed in an eSOP-R16B surface-mount package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates primary-side control, high-voltage switch, and secondary-side synchronous rectification into a single IC.
• Utilizes FluxLink communication technology for accurate feedback without optocouplers or transformer auxiliary windings.
• Supports constant voltage and constant current regulation modes for versatile load requirements.

AC DC Converters, Offline Switchers Applications

• Adapters and chargers for consumer electronics
• LED lighting drivers
• General-purpose low-power offline power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix (e.g., TL) to confirm reel packaging and quantity specifications. Ensure compatibility with the required input voltage range and thermal management constraints for the target application. Confirm RoHS compliance status through official datasheets before integration.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high power density and reduced bill of materials due to integrated synchronous rectification. Suitable for applications needing isolation and tight regulation without external feedback components. Evaluate thermal performance within the specified operating temperature range.

AC DC Converters, Offline Switchers Part Context

This part belongs to the InnoSwitch-CH family, which combines primary-side regulation with secondary-side synchronous rectification. This architecture eliminates the need for optocouplers and auxiliary windings, simplifying design and improving reliability compared to traditional flyback converters.

AC DC Converters, Offline Switchers Replacement Considerations

Check for updated revisions within the InnoSwitch-CH series. Verify pinout and electrical characteristics against previous generations if substituting older models.